Nokea
Match each IV fluid with the appropriate term that accurately describes the solution's tonicity: 0.9% NS
- A. Isotonic
- B. Hypotonic
- C. Hypertonic
Correct Answer: A
Rationale: 0.9% NS is isotonic, matching plasma osmolarity, so fluid stays in the intravascular space.
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The red blood cells that have been separated from plasma for transfusion are called
- A. Whole blood
- B. Platelets
- C. Packed red blood cells
- D. Plasma concentrate
Correct Answer: C
Rationale: Packed red blood cells are red cells separated from plasma, used for transfusions to treat anemia.
A __ forms when one of the agents in a solution separates from the solvent and becomes a solid, insoluble product that looks cloudy, hazy, or like fine floating crystals.
- A. Emulsion
- B. Precipitate
- C. Solution
- D. Suspension
Correct Answer: B
Rationale: A precipitate is a solid that forms in a solution when components become insoluble, appearing cloudy or crystalline.
__ refers to a type of medication that causes blistering, necrosis, and sloughing of tissue when allowed to enter the subcutaneous tissue.
- A. Vesicant
- B. Non-vesicant
- C. Isotonic
- D. Hypertonic
Correct Answer: A
Rationale: Vesicant medications cause severe tissue damage, including blistering and necrosis, if they leak into subcutaneous tissue.
What is the term for removing air from the IV tubing?
- A. Flushing
- B. Priming
- C. Purging
- D. Venting
Correct Answer: B
Rationale: Priming the IV tubing removes air to prevent air embolism during infusion.
Match each IV fluid with the appropriate term that accurately describes the solution's tonicity: D5\%NS
- A. Isotonic
- B. Hypotonic
- C. Hypertonic
Correct Answer: C
Rationale: D5%NS is hypertonic due to added dextrose, increasing osmolarity above plasma.